Backend Engineer

Seoul, South KoreaPosted 1 day ago

Apply on Wrtn's career page

Market pay check

Matched to Computer systems and software professionals

Source: Ministry of Employment and Labor wage information system (wage.go.kr), wage distribution by occupation.

What you'd do

Develop and deploy business logic using Node.js (NestJS) for AI platform products
Design and implement APIs for AI Agent use cases and operate them in production
Perform continuous refactoring toward maintainable and collaborative code standards

What they want

Demonstrate backend development experience using Java,JavaScript,or Python
Hold experience designing and implementing APIs with AI Agent integration in production
Apply experience using message queues such as Kafka,SQS,or RabbitMQ for async architectures

Nice to have

Kubernetes deployment,operations,and troubleshooting experience
WebSocket-based real-time feature design and operations experience
MSA architecture development or large-scale traffic handling experience

Seoulstart's read

Visa tier (likely): Visa requirement not stated, verify with recruiter
Korean language: Korean requirement not stated
English friendliness: Low: Korean-language workplace
Context: Wrtn Technologies operates a 5M user AI platform in Korea; backend role supports both consumer AI products and the AX enterprise agent division.

This is Seoulstart's analysis of the public job description, not the employer's stated policy. Verify visa sponsorship, language requirements, and remote allowances directly with the recruiter.

Open posting